<!DOCTYPE html>
<html lang="en"  xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div th:fragment="footer1">
    我是底部1
</div>
<div th:fragment="footer2">
    我是底部2
</div>
</body>
</html>